Rating: 
Summary: NiMH Batteries for your phone
Review: I have had an an old Panasonic cordless for several years and it has been great. Now that I am in the market for a new phone I have been looking to them again. This phone really interests me except for the battery issue. With all the complaining by what I would call an internet savvy crowd (they did post opinions on Amazon) - I decided to due a battery search. Ten seconds on Google yielded an NiMH Battery for this phone at batteries.com. I have also read somewhere else that someone has used this succesfully (I think epinions - not sure). Anyway here it is - model number and all:Energizer ER-P511 Nickel-Metal Hydride Cordless Phone Battery
for the Panasonic KX-TG2740S Knowing this I think I am still interested in the phone. I believe most people are satisfied with it if they leave out the battery problems.
Rating: 
Summary: 6 of 7 handsets defective - do not buy!
Review: I purchased a KX-TG2740S with two additional handsets. Within 2 months the LCD displays on all 3 handsets failed. I sent 2 handsets to Panasonic factory service and received 2 refurbished ones in return. The display on both of those did not work at all. I sent all three handsets back and have received two more refurbished ones. The display on one did not work. That's a failure rate of 6 out of 7. Panasonic will not or cannot provide a product that works and will not provide a refund. Terrible product, terrible service.
Rating:
Summary: Battery, Battery....
Review: Why can't Panasonic provide a better technology for the battery? They still use NiCd, which has memory issues. Problem w/ NiCd is you should not place the phone in the charger until the battery is fully discharged. Hello!! What are you supposed to do with the phone? Leave it wobbling on the counter? More important, what phone are you supposed to use while the phone has no charge? The speakerphone is not the answer, Panasonic. Cell phones had NiCD 10 years ago. They all have Lithium or Nickel metal hydride, which don't have the inherent memory problem that NiCD's have. NiCD's only last for a few months as well. I did find the KX-TGA271W, which is the expanded handset to match the TG2740. It has a NiMH battery. I wonder if you can place this handset in the base unit of the TG2740.
Rating: 
Summary: Great Phone system But need to modify battery
Review: The phone system is great. The battery issue surfaced shortly after I got the system-one bas and 2 extensions. if you move the phone around too much it looses battery power-the power just drops to almost zero. The fix was to hard wire the battery. I soldered the battery connections. Once I did this the phones all lasted along time on battery. If I use the speaker phone on the handsets I get over an hour on it. If I use the phones regular method (not speaker phone) I get hours on a charge.
Rating:
Summary: If anyone discovers a battery that works please post here!
Review: I would have rated this phone better than one star because I truly like its features and how it fits into my lifestyle. However, everyone here is correct the battery life on the cordless phone make it useless. Absolutely useless. You can still use the answering machine and the speakerphone and of course the two lines, but that's about it. $200 is a lot to pay for a phone that doesn't work. I was a happy Uniden cordless phone owner but needed a two-line phone and had always heard so many great things about Panasonic. With all this I would have rated the phone about a 2 or 3. However, my opinion has changed after getting the constant run around with Panasonic. I have contacted them by email, internet, phone, etc and continue to get canned answers from associates trained to ignore or pretend there is not this problem. To hear them speak I'm the only one that has ever experienced this issue. I like so many others here, bought mine at Circuit City. I took the first one back for an exchange for poor battery life. The next one I got also has poor battery life, so I bought a new battery and guess what...poor battery life. The service from Panasonic and their ability to treat my concerns is pathetic. I could give a "you know what" if Panasonic makes the greatest product in the world some day in the future, they have lost this customer for good. I'm exhausted with the process. SO,MY ONLY REQUEST IS NOW, IF ANYONE HAPPENS TO SOLVE THE RIDDLE OF HOW TO GET THIS PHONE TO WORK LONGER THAN 15 MINUTES PLEASE POST WHAT YOU DID FOR THE REST OF US THAT ARE OUT $200 AND A SMACK IN THE FACE FROM PANASONIC.
Rating: 
Summary: Great features, Terrible Battery life
Review: I agree completely with everyone's assessment of the battery life on the handset. I rarely have the handset off the cradle, and if I am lucky, I can get the handset battery to last 35 minutes. Another thing that irks me about the battery life is, the handset will show full-charge in the battery meter, and then 2 seconds later, it's beeping and the battery meter is flashing because it's about to die. It's all or nothing.
The features of the phone are good, but the battery life gives frustration on this nearly $200 phone.
Rating:
Summary: WORST BATTERIES
Review: What will it take to get Panasonic's attention on the battery issue? I have been a happy and loyal Panasonic phone owner for almost 20 years. I have owned a number of answering machines and wireless phones and I have been extremely pleased with all Panasonic's products. So, I had no initial reluctance to purchasing this new phone system. It is full of features and represents the future of home phone systems. But, the battery is next to worthless. Believe ALL the reviews you have read about this product's poor battery life. And, believe that Panasonic is worthless at addressing the problem through any of their customer service venues. I have not tried the NiMH batteries yet. I paid enough for the phone that I expect it to work without me trying to make my own repairs. I feel that Panasonic should address this situation and work toward repairing a blatant inadequacy. But I am not holding my breath. And as the days continue to pass with no resolution from Panasonic, they are rapidly losing a loyal customer. So...BUYER BEWARE ON THIS PHONE!
Rating:
Summary: Nice phone -- crazy battery problems
Review: I hope I never own another Panasonic phone. The phone is nice and has nice features, but the &*!$ battery. I can pick up the phone and it is indicating full battery. Start the call and the phone beeps at me, the battery indicates 'Low', and 'No Link to Base' appears. The phone has been well taken care of AND I have experienced this problem with 3 Panasonic phones. I hate to bash -- but after dealing with these phones -- stay away from Panasonic.
Rating:
Summary: Buy something other than a Panasonic
Review: I concur with everyone else's assesement of low battery life and poor caller ID function. We have also experienced the people we are talking can hardly hear us. They always must ask us to speak up. We called Panasonic support about the battery life issue and they told us it was not Panasonic's problem. It was the battery and they were not under warranty. After replacing the battery three times, we were fed up and called Panasonic support back to complain (after a half day of trying to get through) they offered to replace it with a refurbished unit. The only problem was they wanted us to ship the whole phone back before they would send us a replacement!! It would take 1 to 2 weeks! How can they expect us to do without a phone for that long?? I was waiting for them to offer to call us when it was ready. Anyway, because of the poor product quality and terrible service and support, I will not purchase another Panasonic product.
Rating:
Summary: Possible battery solution
Review: Am interested in getting this phone system, but the battery problem seems to be the major issue. I found a NiMH 1200 mah replacement battery .... this should work better than the NiCad, but I have not tried it yet. Panasonic has no NiMH listed on there ... "Telephone Battery Cross Reference Chart" for this phone. As the phone otherwise would suit the purpose and have had reasonable use from an older 900 mhz pan, I may give it a try - I'll report back.
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